/*
* Copyright ( c ) 2018 , Oracle and / or its affiliates . All rights reserved .
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER .
*
* This code is free software ; you can redistribute it and / or modify it
* under the terms of the GNU General Public License version 2 only , as
* published by the Free Software Foundation .
*
* This code is distributed in the hope that it will be useful , but WITHOUT
* ANY WARRANTY ; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE . See the GNU General Public License
* version 2 for more details ( a copy is included in the LICENSE file that
* accompanied this code ) .
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work ; if not , write to the Free Software Foundation ,
* Inc . , 51 Franklin St , Fifth Floor , Boston , MA 02110 - 1301 USA .
*
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*/
/*
* @ test
* @ bug 6199320
* @ summary Properties . store ( ) causes deadlock when concurrently calling TimeZone apis
* @ run main / timeout = 20 StoreDeadlock
* @ author Xueming Shen
*/
import java.io.IOException;
import java.util.Properties;
import java.util.TimeZone;
public class StoreDeadlock {
public StoreDeadlock() {
Properties sysproperty = System.getProperties();
Thread1 t1 = new Thread1(sysproperty);
Thread2 t2 = new Thread2();
t1.start();
t2.start();
}
public static void main(String[] args) {
StoreDeadlock deadlock = new StoreDeadlock();
}
class Thread1 extends Thread {
Properties sp;
public Thread1(Properties p) {
sp = p;
}
public void run() {
try {
sp.store(System.out, null );
} catch (IOException e) {
System.out.println("IOException : " + e);
}
}
}
class Thread2 extends Thread {
public void run() {
System.out.println("tz=" + TimeZone.getTimeZone("PST" ));
}
}
}
Messung V0.5 in Prozent C=93 H=90 G=91
¤ Dauer der Verarbeitung: 0.9 Sekunden
(vorverarbeitet am 2026-06-10)
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